Abstract
Abstract: This study aims to determine the effect of discovery learning model supported by geogebra application and contextual teaching learning models to mathematical problem solving ability. Theresearch subjects were students class X1 MAN Pemalang of the 2018/2019 academic year. The sample used in this study was choosen by a cluster random sampling. The sample t-test was applied with a significance level 0.05 to cognitive test data consisting of 5 question. The result showed that Geogebra's assisted discovery learning model are better than contextual teaching learning models in improving students' problem solving abilities. Keywords: discovery learning,contextual teaching learning, geogebra, mathematical problem solving ability. Abstrak: Penelitian ini bertujuan untuk mengetahui pengaruh model discovery learning berbantuan apikasi geogebra dan model pembelajaran kontekstual terhadap kemampuan pemecahan masalah matematika. Subjek penelitian adaah peserta didik kelas 11 MAN Pemalang. Sampel yang digunakan dalam penelitian ini diambil menggunakan cluster random sampling. Kemudian untuk mengetahui data tersebut peneliti menggunakan uji-t dengan taraf signifikansi 0,05 dalam bentuk data kuantitatif yang diperoleh melalui lembar tes kognitif yang terdiri dari 5 pertanyaan. Hasil penelitian menunjukan kemampuan pemecahan masalah yang diajar menggunakan model pembelajaran discovery learning lebih baik dari model pembelajaran kontekstual. Kata kunci: discovery learning , pembeajaran kontekstual, geogebra, kemampuan pemecahan masalah. DOI: http://dx.doi.org/10.23960/jpmipa/v20i2.pp46-53
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